A kind of nail bin groupware from belt cutterTechnical field
The present invention relates to intracavitary linear cutting anastomat field, and in particular to a kind of nail bin groupware from belt cutter, shouldNail bin groupware is used to support the use with intracavitary linear cutting anastomat.
Background technology
Stapler be medically use replacement manual suture equipment, main operational principle be using staple to organize intoRow detachment is coincide, similar to stapler.Stapler species is various, is divided into linear cutting anastomat, circle according to shape differenceStapler, arc-shaped cutting anastomat, button-like anastomosis clamp and back-shaped needle-like anastomosis clamp etc..Chinese patent CN106551710A is disclosedA kind of Linear cutting anastomat, but it is the typical Endo-GIA for being applied to open surgery.With medical technologyDevelopment, current alimentary canal needle holder being applied to surgery Minimally is in alimentary canal needle holder being applied to surgery Minimally to use intracavitary using more and more common moreLinear cutting anastomat.Most important work package is exactly nail bin groupware and cutter in intracavitary linear cutting anastomat, intracavitaryThe body of linear cutting anastomat is provided with a longer extension, and set of execution mechanism is respectively provided with extension to distinguishNail bin groupware and cutter work are controlled, nail bin groupware is disposable, and cutter are not disposable.It is such to setThe problem of meter is present is exactly that cutter are reused, and the volume of whole stapler is larger, complicated, and whole apparatus is in the axial directionLength it is very long.Currently there is not yet a kind of nail bin groupware from belt cutter.Moreover, the use of cutter is pacified in surgical procedureFull property is also most important for medical personnel and patient, if it is desired to designing a kind of nail bin groupware from belt cutter, thenIt must assure that cutter are not exposed before physiological tissue is cut in surgical procedure, cutter can not be exposed after the completion of cuttingOut, can just expose outside only when cutting physiological tissue, such design inherently has larger difficulty.
The content of the invention
The present invention provides a kind of nail bin groupware from belt cutter, solves the cutting of current intracavitary linear cutting anastomatThe problem of knife is reused, is complicated.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of nail bin groupware from belt cutter, including nailStorehouse, staple, push nails, bottom plate, cutter and push broach block；The nail bin is fixedly connected with bottom plate, and the staple is arranged on instituteState in push nails, push nails are arranged in nail bin；Definition is leaned on close to the front end by one end of the nail bin of operator for nail binThe other end of the nail bin of proximal operator is the rear end of nail bin, and nail bin is provided with tool slot, and the trend of tool slot is after nail binEnd corresponds to the staple in the both sides of tool slot and is provided with out nail to the front end of nail bin；
The cutter include handle of a knife and cutter head, and cutter head is arranged on the handle of a knife, under the nail bin groupware unused state,Cutter head is embedded in the tool slot, and can be moved along tool slot；The end face of the handle of a knife is provided with pilot hole, in instituteState between cutter head and pilot hole, the handle of a knife is provided with a supporting leg, under the nail bin groupware unused state, the supporting leg branchSupport is on the bottom plate；The cutting knife is located on the push broach block；The push broach block is arranged in the nail bin, push broach blockThe upper correspondence pilot hole is convexly equipped with a projection, and projection is engaged with pilot hole, the cutter is had relative to push broach blockOne rotating fulcrum；Both the cutter and push broach block can be from the rear end of nail bin to nail bin preceding extreme direction on relative to nailMove in storehouse；
The push broach block is provided with inclined-plane, the inclined-plane not only towards the front end of the nail bin but also towards it is described go out nail, pushed away when describedCutter block to the front end of nail bin move when, the inclined-plane of push broach block and the push nails, which are engaged, forces the staple to stretch out nail binOutside；
Spacing flexible member is provided with its front end in the nail bin；Close to the front end of the nail bin and in the cutterMobile route on, the bottom plate is provided with positioning hole, when the cutter are moved at positioning hole, the spacing flexible memberIt can be resisted against on the handle of a knife, force the supporting leg to fall into the positioning hole.
Relevant content in above-mentioned technical proposal is explained as follows：
1st, in such scheme, preferable scheme is that the push broach block includes two walls, the top of two walls and the nail binMobile link；A bottom surface is connected between two walls, bottom surface is provided with a jack, and the cutting knife is located at twoBetween individual wall, the supporting leg is located in the jack and is supported on the bottom plate.Towards the nail bin on the wallFront end at be provided with the inclined-plane.Towards a push rod is provided with the front end of the nail bin on the bottom surface, institute is corresponded on the push rodState pilot hole and be convexly equipped with the projection, projection is engaged with pilot hole, the cutter is had one relative to the push broach blockIndividual rotating fulcrum.
2nd, in such scheme, preferable scheme is to correspond to the tool slot on the bottom plate to be provided with an elongated slot, the positioningHole is arranged in the elongated slot, and positioning hole is embedded in the elongated slot close to the front end of the nail bin, the supporting leg of the cutter,When the cutter are moved at positioning hole, the spacing flexible member can be resisted against on the handle of a knife, force the supporting legFall into the positioning hole.
3rd, in such scheme, preferable scheme is that place is provided with cutter head protective cover in its back-end on the nail bin, in the nailUnder the component unused state of storehouse, the cutter head is arranged in cutter head protective cover.
The design feature of the present invention：The nail bin groupware of the present invention is used to support the use with intracavitary linear cutting anastomat, follows closelyStorehouse component can be abandoned from belt cutter, cutter with the disposable of nail bin groupware, solve current intracavitary straight lineThe problem of cutter of Endo-GIA are reused.And no longer needed specifically for cutting in intracavitary linear cutting anastomatThe executing agency of knife, the structure of intracavitary linear cutting anastomat is simplified, shorten the length of whole apparatus in the axial direction, reducedProduction cost.
The characteristics of in the nail bin groupware structure of the present invention, is the cutter and push broach block for devising special construction.Handle of a knifeEnd face is provided with pilot hole, and between cutter head and pilot hole, handle of a knife is provided with a supporting leg, and cutting knife is located on push broach block, pushed awayCutter block is arranged in the nail bin, and pilot hole is corresponded on push broach block and is convexly equipped with a projection, projection is engaged with pilot hole, makes cuttingKnife has a rotating fulcrum relative to push broach block, and supporting leg is supported on bottom plate；And at the front end orientation of nail bin, set in nail binLimited location flexible member, bottom plate are provided with positioning hole.When both cutter and push broach block are moved to nail bin from the rear end of nail binDuring front end, the elastic force of spacing flexible member is acted on the handle of a knife of cutter, cutter relative push broach block hair at its pilot holeRaw to rotate, the supporting leg of cutter is fallen into the positioning hole on bottom plate, namely the cutter head of cutter falls into nail bin and do not exposed outsideCome.In above process, intracavitary linear cutting anastomat only needs a set of driving executing agency to promote push broach block, realizesSuture and cutting are carried out simultaneously, and after use, the cutter head of cutter is fallen into nail bin groupware, in turn ensure that medical personnel useSecurity.
Compared with prior art, beneficial effects of the present invention：
（1）Cutter in the nail bin groupware of the present invention can be accomplished disposable, avoid cross-infection；
（2）The nail bin groupware of the present invention is simple in construction from belt cutter, and special pin is no longer needed in intracavitary linear cutting anastomatTo the executing agency of cutter, shorten the length of whole intracavitary linear cutting anastomat in the axial direction, reduce production intoThis；
（3）The nail bin groupware of the present invention is after use, and the cutter head of cutter can be automatically fallen into nail bin groupware, and cutter head is notExpose outside and again, ensure that the security that medical personnel use.
Brief description of the drawings
Accompanying drawing 1 is the first explosive view of nail bin groupware of the present invention；
Accompanying drawing 2 is the second explosive view of nail bin groupware of the present invention；
Accompanying drawing 3 is the first stereogram of the push broach block of nail bin groupware of the present invention；
Accompanying drawing 4 is the second stereogram of the push broach block of nail bin groupware of the present invention；
Accompanying drawing 5 is the stereogram of nail bin groupware of the present invention.
In the figures above：1st, nail bin；2nd, staple；3rd, push nails；4th, bottom plate；5th, cutter；6th, push broach block；7th, tool slot；8th, nail is gone out；9th, handle of a knife；10th, cutter head；11st, pilot hole；12nd, supporting leg；13rd, wall；14th, guide groove；15th, bottom surface；16th, push rod；17、Projection；18th, the first inclined-plane；19th, cutter head protective cover；20th, spacing flexible member；21st, elongated slot；22nd, positioning hole；23rd, jack.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：A kind of nail bin groupware from belt cutter
Referring to shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 and accompanying drawing 5, the nail bin groupware includes nail bin 1, staple 2, ejector pinBlock 3, bottom plate 4, cutter 5 and push broach block 6；The nail bin 1 is fixedly connected with bottom plate 4, and the staple 2 is arranged on the ejector pinOn block 3, push nails 3 are arranged in nail bin 1；Definition is close to by operator（It is often referred to need the patient for implementing operation）The nailThe one end in storehouse 1 is the front end of nail bin 1, close to operator（It is often referred to surgeon）Nail bin 1 the other end be nail bin 1 afterEnd, nail bin 1 are provided with tool slot 7, and the trend of tool slot 7 is from the rear end of nail bin 1 to the front end of nail bin 1, the two of tool slot 7Side corresponds to the staple 2 and is provided with out nail 8；
The cutter 5 include handle of a knife 9 and cutter head 10, and cutter head 10 is arranged on the handle of a knife 9, the cutting edge direction nail on cutter head 10The front end in storehouse 1, under the nail bin groupware unused state, cutter head 10 is embedded in the tool slot 7, and can be along walkingCutter groove 7 moves；The end face of the handle of a knife 9 is provided with pilot hole 11, and pilot hole 11 can be slotted hole, in the cutter head 10 and dressBetween distribution 11, the handle of a knife 9 is provided with a supporting leg 12；The handle of a knife 9, cutter head 10 and supporting leg 12 are integrally molded so as cuttingKnife；
The push broach block 6 is arranged in the nail bin 1, and push broach block 6 includes two walls 13, and the nail bin 1 is provided with guide groove 14,The top of two walls 13 and the mobile link of guide groove 14 on the nail bin 1；A bottom is connected between two walls 13Face 15, bottom surface 15 are provided with a jack 23, and the cutter 5 are erected between two walls 13, and the supporting leg 12 is located inIn jack 23, under the nail bin groupware unused state, supporting leg 12 is supported on the bottom plate 4；Direction on the bottom surface 15A push rod 16 is provided with the front end of nail bin 1, the pilot hole 11 is corresponded on the push rod 16 and is convexly equipped with projection 17, projection 17 and assemblingHole 11 is engaged, and the cutter 5 is had a rotating fulcrum relative to the push broach block 6；The cutter 5 and push broach blockIt can be moved both 6 from the rear end of nail bin 1 to the preceding extreme direction of nail bin 1 relative to nail bin 1；
Towards being provided with the first inclined-plane 18 at the front end of the nail bin 1 on the wall 13 of the push broach block 6, first inclined-plane 18 both faceTo the front end of the nail bin 1 again towards it is described go out nail 8, push nails 3 are provided with the second inclined-plane, the second inclined-plane and the first inclined-plane 18Corresponding matching, when the push broach block 6 moves to the front end of nail bin 1, the first inclined-plane 18 and the push nails 3 of push broach block 1Second contact of incline plane, which coordinates, forces the staple 2 to be stretched out by going out nail 8 outside nail bin 1；
Place is provided with cutter head protective cover 19 in its back-end on the nail bin 1, and under nail bin groupware unused state, the cutter head 10 is setPut in cutter head protective cover 19；It is provided with spacing flexible member 20 in the nail bin 1 at its front end, spacing flexible member 20 can be withFor spring leaf, or helical spring；The tool slot 7 is corresponded on the bottom plate 4 and is provided with an elongated slot 21, is provided with elongated slot 21A positioning hole 22, positioning hole 22 are embedded in the elongated slot 21 close to the front end of the nail bin 1, the supporting leg 12 of the cutter 5,When the cutter 5 are moved at positioning hole 22, the spacing flexible member 20 can be resisted against on the handle of a knife 9, spacing bulletThe elastic force of property element 20 is acted on handle of a knife 9, forces the supporting leg 12 to fall into the positioning hole 22.
The course of work of the nail bin groupware of the present embodiment：The nail bin groupware of the present embodiment coincide installed in intracavitary straight cutsThe front end of device, under the untapped confined state of nail bin groupware, push broach block 6 is arranged in nail bin 1, the top of the wall of push broach block 6End is positioned on push broach block 6 with the mobile link of guide groove 14 on nail bin 1, cutter 5, and the cutter head 10 of cutter 5 is embedded in feedIn groove 7 and in cutter head protective cover 19, the supporting leg 12 of cutter 5 is embedded in the elongated slot 21 on bottom plate 4；
When the executing agency of intracavitary linear cutting anastomat promotes push broach block to be moved along, guide groove of the push broach block 6 along nail bin 114 movements, the cutter head 10 of cutter 5, which leaves cutter head protective cover 19 along tool slot 7 and exposed outside, to be come, at the same time, push broach block 6The first inclined-plane 18 and the second contact of incline plane of push nails 3 coordinate and force staple 2 to be stretched out by going out nail 8 outside nail bin 1, push broach block6 in moving process, and whole nail bin groupware carries out first suturing the action cut afterwards all the time to physiological tissue；
After suture and cutting terminate, that is, when push broach block 6 and cutter 5 are moved to 22 at positioning hole, cutter 5 are limitingUnder the elastic force effect of position flexible member 20, the relative push broach block 6 at its pilot hole 11 of cutter 5 rotates, the branch of cutter 5Leg 12 is fallen into positioning hole 22, and then, the cutter head 10 of cutter 5 is retracted into nail bin 1.After operation terminates, cutter 5 are with whole nailStorehouse component and abandon.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the artScholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present inventionThe equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.